HP MLIB User's Guide Vol. 2 7th Ed.

Chapter 9 LAPACK Auxiliary Subprograms 661
Compute norm of general matrix SLANGE/DLANGE/CLANGE/ZLANGE
Name SLANGE/DLANGE/CLANGE/ZLANGE
Compute norm of general matrix
Purpose These subprograms compute a norm of a general m-by-n matrix A.
Usage LAPACK:
CHARACTER*1 norm
INTEGER*4 lda, m, n
REAL*4 a(lda, n), work(n)
REAL*4 anorm, SLANGE
anorm = SLANGE(norm, m, n, a, lda, work)
CHARACTER*1 norm
INTEGER*4 lda, m, n
REAL*8 a(lda, n), work(n)
REAL*8 anorm, DLANGE
anorm = DLANGE(norm, m, n, a, lda, work)
CHARACTER*1 norm
INTEGER*4 lda, m, n
REAL*4 rwork(n)
COMPLEX*8 a(lda, n)
REAL*4 anorm, CLANGE
anorm = CLANGE(norm, m, n, a, lda, rwork)
CHARACTER*1 norm
INTEGER*4 lda, m, n
REAL*8 rwork(n)
COMPLEX*16 a(lda, n)
REAL*8 anorm, ZLANGE
anorm = ZLANGE(norm, m, n, a, lda, rwork)
LAPACK8:
CHARACTER*1 norm
INTEGER*8 lda, m, n
REAL*4 a(lda, n), work(n)
REAL*4 anorm, SLANGE
anorm = SLANGE(norm, m, n, a, lda, work)
CHARACTER*1 norm
INTEGER*8 lda, m, n
REAL*8 a(lda, n), work(n)
REAL*8 anorm, DLANGE
anorm = DLANGE(norm, m, n, a, lda, work)